Hey I've done a lot HIT loads, but I'm pretty sure I hook up and run HIT a lot when I would've been ok to not run HIT on the load. So the info I need from ya more experienced chemical haulers is this. How much will a load drop temperature? I would like ruff estimates of say 24 hours in 30 degree weather , 70 to 80 degree etc.. and like when I do the Wyoming or South Dakota runs when it's 0 burrr cold. I really appreciate any info u can give me
Heat In Transit info
Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by 19d, Feb 27, 2017.
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You might lose 5 maybe 10 depending on how cold it is outside
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Unless you are hauling the same product in the same trailer its always going to be a different rate of loss. Some trailers have really good insulation and some products have a high specific heat and you wont need to worry about temperature loss.
I got loaded last Saturday for a Monday delivery, loaded @120F, delivery got delayed until Wednesday afternoon (grrrr) and the product temp had only dropped to 105F. No HIT and no steam and air temps below 32F all 5 days. It was a thick product that held its heat really well.19d Thanks this. -
Thx the product I'm almost finally done with having loaded is real thick and the temp gauge went up on it to 119, so I will be able keep it above 110 easy.. glad I don't have to get steamed. I got Hit hooked up and running. I'm over 11 hours at this Lubrizol plant and bout sick of this place today
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Like @ncdriver1 said It all depends on the tanks insulation. I used to haul epoxy a lot. We would steam to 160° and I would run Chicago to Cincinnati leaving in the afternoon and delivering cinci in the morning and I'd lose as much as 10° in a MC407. They were older trailers and a little beat up, so the heat loss was greater then what a newer tank would be. Knowing something at all about the equipment I've seen your company run, I'd say you're in the same boat.
@p608 it can be a drag on the coolant system making your motor run cold. If the system wasn't flushed, it can also contaminant your coolant. It won't heat the product, but it can slow the speed at which it cools.
Btw, I've never heard it said "heat in transient". Everyone I've worked for calls it "intransit heat " that must be a SNI thing.Last edited: Feb 27, 2017
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It's impossible to answer. Every product and trailer is different.
ChicagoJohn Thanks this. -
Transit heat will not raise the product temp from 100 degrees to 180, unless you. Stay on it for a month! Yo will need to get on steam.
wis bang and ChicagoJohn Thank this.
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